The doctor ______ she sent her friend is very famous.
America has more than fifty states, ______, Kentucky, is the place _______ Abraham Lincoln was born.
At the foot of the mountain ________.
______ your composition carefully, some spelling mistakes can be avoided.
—Where have you been recently? —I ________ in Hangzhou on business for a week last month.
We are looking forward to ______ another chance ______ it again.